https://twitter.com/dance2die/status/1187174983447003136

Move Markdown to respective folder.ps1

ls | % { 
    # https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_split?view=powershell-6
    $parsed = $_.Name -split '(\d{4})-(\d{2})-(\d{2})-(.*)'
    $year = $parsed[1];
    $month = $parsed[2];
    $day = $parsed[3];
    $name = $parsed[4];

    $newDir = "$year/$month/$day";


    # Create a new directory matching the folder name.
    # https://social.technet.microsoft.com/Forums/office/en-US/98232ee2-846c-4f49-9284-95d28dc5b2cb/recursively-create-directories?forum=winserverpowershell
    new-item $newDir -ItemType Directory

    # New File name without date prefix and with .mdx extension
    $newFile = [IO.Path]::ChangeExtension("$newDir/$name", ".mdx")
    Write-output $newFile
    Copy-Item $_.Name $newFile
}